Proceedings of the international symposium on environment management and planning, 2015 / 
Central Environmental Authority. 
 - Battaramulla :  Central Environment Authority,  2015. 
 - xxiii, 55 p.  25 cm. 
<br/><br/><label>ISSN: </label>24246603 
<br/><br/><label>Dewey Class. No.: </label>333.7072  / PRO